10 Burton House, Burton Park, Duncton, Petworth, GU28 0QU

10 Burton House is a semi-detached house in Duncton, Petworth, Petworth (GU28 0QU). It has a recorded floor area of 229 m² (around 2465 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (April 2023) shows a G (score 11), near the bottom of the EPC scale. Earlier certificates rated it F (October 2010); the latest reading is one band lower. Between certificates, main heating went from Very Poor to Poor; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to E (score 48), a 2-band jump. Main heating runs on lpg. At 229 m² this is the 5th smallest of 8 units on EPC record in the building, where floor areas span 93–406 m². The building's EPC ratings span G to D, with this unit at the bottom. On EPC score it ranks last in the building (11 versus a best of 61).

Held since June 2001 — that's 25 years off the open market, well above the local norm. At 229 m² it's 16.8% larger than the typical home in the postcode (196 m² median across 8 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2001, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £1,103,000 sits 169% above the 2001 sale of £410,000. On a £-per-square-foot basis, the last sale (£166/sq ft) was about 32% below the postcode norm. 4 planning records sit against the property, 3 approved, 0 refused, 1 pending. An application is currently awaiting a decision.